#305EBF#305EBF

#305EBF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.161 H 262.9°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#305EBF
RGB	rgb(48, 94, 191)
HSL	hsl(221, 60%, 47%)
HSV	hsv(221, 75%, 75%)
CMYK	cmyk(74.9%, 50.8%, 0%, 25.1%)
CIE-LAB	lab(41.84, 18.62, -55.51)
CIE-LCH	lch(41.84, 58.55, 288.55°)
OKLab	oklab(50.5% -0.0199 -0.1596)
OKLCH	oklch(50.5% 0.161 262.9)
XYZ	xyz(14.6222, 12.3938, 50.9017)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305EBF #BF9130

analogous

#30A6BF #305EBF #4930BF

triadic

#305EBF #BF305E #5EBF30

tetradic

#305EBF #BF30A6 #BF9130 #30BF49

square

#305EBF #BF30A6 #BF9130 #30BF49

split-complementary

#305EBF #BF4930 #A6BF30

monochromatic

#172E5D #24468E #305EBF #5780D5 #88A5E1

Accessibility & contrast

On white

6.04

#305EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#305EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305EBF

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305EBF	#FFFFFF	#000000	##FFFFFF
##305EBF	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#216AC2

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305ebf;
/* rgb */ color: rgb(48, 94, 191);
/* oklch */ color: oklch(50.5% 0.161 262.9);

Tailwind

colors: {
  custom: {
    50: '#7c8bd3',
    500: '#305ebf',
    950: '#000000',
  },
}

SCSS

$custom: #305ebf;
$custom-light: #7c8bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#305ebf",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 191
  },
  "hsl": {
    "h": 220.699,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50498,
    "c": 0.16088,
    "h": 262.9
  },
  "luminance": 0.12395
}

Semantic roles & 50–950 ramp

primary

#305EBF

secondary

#CBB380

accent

#B045E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305EBF

Body copy rendered with the generated semantic roles for this colour.

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